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Package: DeleteReferenceAction
DeleteReferenceAction
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| DeleteReferenceAction(EditingDomain, EObject, EStructuralFeature, ReferenceService) |
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| DeleteReferenceAction(EditingDomain, EStructuralFeature.Setting, ReferenceService) |
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| askConfirmation(EObject) |
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| delete(EReference) |
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| run() |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2015 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eugen Neufeld - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emf.ecp.edit.spi.swt.reference;
15:
16: import org.eclipse.emf.common.command.Command;
17: import org.eclipse.emf.common.notify.AdapterFactory;
18: import org.eclipse.emf.ecore.EObject;
19: import org.eclipse.emf.ecore.EReference;
20: import org.eclipse.emf.ecore.EStructuralFeature;
21: import org.eclipse.emf.ecore.EStructuralFeature.Setting;
22: import org.eclipse.emf.ecore.InternalEObject;
23: import org.eclipse.emf.ecp.edit.internal.swt.Activator;
24: import org.eclipse.emf.ecp.edit.internal.swt.reference.ReferenceMessageKeys;
25: import org.eclipse.emf.ecp.edit.spi.ReferenceService;
26: import org.eclipse.emf.ecp.edit.spi.swt.actions.ECPSWTAction;
27: import org.eclipse.emf.edit.command.RemoveCommand;
28: import org.eclipse.emf.edit.command.SetCommand;
29: import org.eclipse.emf.edit.domain.EditingDomain;
30: import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
31: import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
32: import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
33: import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
34: import org.eclipse.jface.dialogs.MessageDialog;
35: import org.eclipse.jface.window.Window;
36:
37: /**
38: * This action unsets a reference.
39: *
40: * @author Eugen Neufeld
41: * @since 1.5
42: *
43: */
44: public class DeleteReferenceAction extends ECPSWTAction {
45:
46: /**
47: * The constructor for a delete reference action.
48: *
49: * @param editingDomain the {@link EditingDomain} to use
50: * @param setting the {@link Setting} to use
51: * @param referenceService the {@link ReferenceService} to use
52: * @since 1.6
53: */
54: public DeleteReferenceAction(EditingDomain editingDomain, Setting setting, ReferenceService referenceService) {
55: super(editingDomain, setting);
56: // TODO remove PlatformUI
57:
58: setImageDescriptor(Activator.getImageDescriptor("icons/unset_reference.png")); //$NON-NLS-1$
59: setToolTipText(LocalizationServiceHelper.getString(DeleteReferenceAction.class,
60: ReferenceMessageKeys.DeleteReferenceAction_DeleteReference));
61: }
62:
63: /**
64: * The constructor for a delete reference action.
65: *
66: * @param editingDomain The {@link EditingDomain} to use
67: * @param eObject The {@link EObject} to use
68: * @param structuralFeature The {@link EStructuralFeature} defining which feature of the {@link EObject} is used
69: * @param referenceService The {@link ReferenceService} to use
70: * @since 1.6
71: */
72: public DeleteReferenceAction(EditingDomain editingDomain, EObject eObject, EStructuralFeature structuralFeature,
73: ReferenceService referenceService) {
74: this(editingDomain, ((InternalEObject) eObject).eSetting(structuralFeature), referenceService);
75: }
76:
77: @Override
78: public void run() {
79: super.run();
80:
81: final EReference reference = (EReference) getSetting().getEStructuralFeature();
82:
83:• if (reference.isContainment()) // &&
84: // context.getMetaModelElementContext().isNonDomainElement(opposite.eClass())||
85: // context.getMetaModelElementContext().isAssociationClassElement(opposite)
86: {
87:• if (askConfirmation((EObject) getSetting().get(true))) {
88: delete(reference);
89: }
90: } else {
91: delete(reference);
92: }
93: }
94:
95: private void delete(EReference reference) {
96: Command removeCommand = null;
97:
98:• if (reference.isMany()) {
99: removeCommand = RemoveCommand.create(getEditingDomain(), getSetting().getEObject(), reference, getSetting()
100: .get(true));
101: } else {
102: removeCommand = SetCommand.create(getEditingDomain(), getSetting().getEObject(), reference, null);
103: }
104: getEditingDomain().getCommandStack().execute(removeCommand);
105: }
106:
107: private static boolean askConfirmation(EObject toBeDeleted) {
108: String question = null;
109: ComposedAdapterFactory adapterFactory = null;
110: // if (toBeDeleted.size() == 1) {
111: adapterFactory = new ComposedAdapterFactory(new AdapterFactory[] { new ReflectiveItemProviderAdapterFactory(),
112: new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE) });
113: final AdapterFactoryItemDelegator adapterFactoryItemDelegator = new AdapterFactoryItemDelegator(adapterFactory);
114: // AdapterFactoryLabelProvider adapterFactoryLabelProvider = new AdapterFactoryLabelProvider(adapterFactory);
115: final String modelElementName = adapterFactoryItemDelegator.getText(toBeDeleted);
116: question = LocalizationServiceHelper.getString(DeleteReferenceAction.class,
117: ReferenceMessageKeys.DeleteReferenceAction_DeleteModelQuestion)
118: + modelElementName
119: + LocalizationServiceHelper.getString(DeleteReferenceAction.class,
120: ReferenceMessageKeys.DeleteReferenceAction_Questionmark);
121: // } else {
122: // question = "Do you really want to delete these " + toBeDeleted.size() + " model elements?";
123: // }
124: final MessageDialog dialog = new MessageDialog(
125: null,
126: LocalizationServiceHelper.getString(DeleteReferenceAction.class,
127: ReferenceMessageKeys.DeleteReferenceAction_Confirmation),
128: null,
129: question,
130: MessageDialog.QUESTION,
131: new String[] {
132: LocalizationServiceHelper.getString(DeleteReferenceAction.class,
133: ReferenceMessageKeys.DeleteReferenceAction_Yes),
134: LocalizationServiceHelper.getString(DeleteReferenceAction.class,
135: ReferenceMessageKeys.DeleteReferenceAction_No) },
136: 0);
137:
138: boolean confirm = false;
139:• if (dialog.open() == Window.OK) {
140: confirm = true;
141: }
142:
143: // if (adapterFactory != null)
144: // {
145: // adapterFactory.dispose();
146: // }
147: adapterFactory.dispose();
148: return confirm;
149: }
150: }